Bug Fix - Make file extension validation case-insensitive #999
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What kind of change does this PR introduce?
Bug fix
Why was this change needed?
I encountered an issue where uploading media files worked, but posting with the same images failed. The problem was that my camera saves files with the .JPG extension, while the upload path only accepted lowercase extensions. Renaming the files to .jpg resolved the issue.
To fix this permanently, I updated the file extension validation to use .toLowerCase(), since file extensions are case-insensitive.
Other information:
Checklist:
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